invariable
in·va·ri·able/ɪnˈvɛɹ.i.ə.bl̩/adjective, noun
invariable is spelled I-N-V-A-R-I-A-B-L-E: 10 letters and 4 syllables (in·va·ri·able). It appears about once in every 7 million words in written English, the 79,518th most frequent word form (wordfreq, 2021 data). As an adjective, invariable means “Not variable; unalterable; uniform; always having the same value” (English Wiktionary, September 2026).
How many letters and syllables are in invariable?
| Letters | 10: I-N-V-A-R-I-A-B-L-E |
|---|---|
| Syllables | 4: in·va·ri·able |
| In writing | about once in every 7 million words; the 79,518th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is invariable?
Invariable appears about once in every 7 million words in written English, the 79,518th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce invariable?
- US /ɪnˈvɛɹ.i.ə.bl̩/
- UK /ɪnˈvɛə.ɹi.ə.bl̩/
- /ɪnˈvɛɚbl̩/
Invariable has 4 syllables, split in·va·ri·able in writing.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-us-invariable.ogg, Wikimedia Commons (author and licence on each file's page).
Forms of invariable
- invariables plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does invariable mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Not variable; unalterable; uniform; always having the same value.
- 2
Constant.
- 3
That cannot undergo inflection, conjugation or declension.
The French adjective marron ‘brown’ is invariable: it does not take the usual s in the plural.
noun
- 1
Something that does not vary; a constant.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Invariable in Spanish, French, German and Portuguese
In the sense not variable:
| Language | Words |
|---|---|
| French | invariable |
| German | unveränderlich |
| Portuguese | invariável |
| Spanish | invariable, ejecutorio |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does invariable come from?
From in- + variable. Piecewise doublet of unvariable.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).